#include <stdio.h>
#include <stdlib.h>

int main (int argc, char const* argv[])
{
    double r, m;
    int y, i, ans;

    scanf("%lf %lf %d", &r, &m, &y);

    r = r / 100 + 1;
    for (i = 0; i < y; i++) {
        m = m * r;
    }

    ans = (int)m;
    printf("%d\n", ans);

    return 0;
}
